! Started logfile: J0501-0159_X_1999_12_20_pus_uvs.log on Fri Dec 14 17:12:36 2007 obs J0501-0159_X_1999_12_20_pus_uva.fits ! Reading UV FITS file: J0501-0159_X_1999_12_20_pus_uva.fits ! AN table 1: 239 integrations on 190 of 190 possible baselines. ! AN table 2: 11 integrations on 190 of 190 possible baselines. ! AN table 3: 73 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.0962522 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0501-0159 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2418 lines of history. ! ! Reading 23628 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 256 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 ![@muppet J0501-0159_X_1999_12_20_pus] integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 256x256 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 3687 telescope corrections were flagged in sub-array 1. ! A total of 220 telescope corrections were flagged in sub-array 2. ! A total of 1140 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 3687 telescope corrections were flagged in sub-array 1. ! A total of 220 telescope corrections were flagged in sub-array 2. ! A total of 1163 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 3687 telescope corrections were flagged in sub-array 1. ! A total of 220 telescope corrections were flagged in sub-array 2. ! A total of 1163 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 3687 telescope corrections were flagged in sub-array 1. ! A total of 220 telescope corrections were flagged in sub-array 2. ! A total of 1187 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.125481Jy sigma=0.009775 ! Fit after self-cal, rms=0.545138Jy sigma=0.004148 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.7% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.5446 mas, bmaj=1.308 mas, bpa=-1.612 degrees ! Estimated noise=821.617 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.428215 Jy ! Component: 100 - total flux cleaned = 0.52517 Jy ! Total flux subtracted in 100 components = 0.52517 Jy ! Clean residual min=-0.022741 max=0.038380 Jy/beam ! Clean residual mean=0.000331 rms=0.006657 Jy/beam ! Combined flux in latest and established models = 0.52517 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.52517 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.285344Jy sigma=0.001815 ! Fit after self-cal, rms=0.285332Jy sigma=0.001815 ! Inverting map ! Your choice of large map pixels excluded 5.7% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.7% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6586 mas, bmaj=1.441 mas, bpa=-1.673 degrees ! Estimated noise=594.232 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0577093 Jy ! Component: 100 - total flux cleaned = 0.0861589 Jy ! Component: 150 - total flux cleaned = 0.101329 Jy ! Component: 200 - total flux cleaned = 0.109459 Jy ! Total flux subtracted in 200 components = 0.109459 Jy ! Clean residual min=-0.020794 max=0.036565 Jy/beam ! Clean residual mean=0.002041 rms=0.007274 Jy/beam ! Combined flux in latest and established models = 0.634629 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 22 components and 0.634629 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.278483Jy sigma=0.001634 ! Fit after self-cal, rms=0.278679Jy sigma=0.001633 ! Inverting map ! Your choice of large map pixels excluded 5.7% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 96 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.97 GC 0.98 HH 1.00 ! HN 1.04 KK 0.85 KP 0.94 LA 0.92 ! MC 1.03 MK 0.82 NY 1.00* ON 1.10 ! OV 1.03 PT 0.90 SC 1.00 TS 1.00* ! WF 0.94 WZ 1.15 GN 1.09 NL 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 27 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.01 GC 1.07 HH 1.00* ! HN 1.00* KK 1.02 KP 0.94 LA 1.02 ! MC 1.00* MK 1.01 NY 1.00* ON 1.00* ! OV 1.04 PT 0.95 SC 1.00* TS 0.89 ! WF 1.00* WZ 1.00* GN 1.00* NL 2.54 ! ! ! Correcting IF 2. ! A total of 96 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.96 GC 0.95 HH 1.06 ! HN 1.04 KK 0.85 KP 0.90 LA 0.91 ! MC 1.01 MK 0.83 NY 1.00* ON 1.12 ! OV 1.04 PT 0.89 SC 0.96 TS 1.00* ! WF 0.94 WZ 2.62 GN 1.09 NL 0.98 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.01 GC 0.99 HH 1.00* ! HN 1.00* KK 0.99 KP 0.92 LA 0.99 ! MC 1.00* MK 1.02 NY 1.00* ON 1.00* ! OV 1.03 PT 0.92 SC 1.00* TS 0.88 ! WF 1.00* WZ 1.00* GN 1.00* NL 2.86 ! ! ! Correcting IF 3. ! A total of 96 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.97 GC 0.97 HH 1.22 ! HN 1.06 KK 0.85 KP 0.92 LA 0.93 ! MC 1.00 MK 0.84 NY 1.00* ON 1.10 ! OV 1.04 PT 0.91 SC 0.96 TS 1.00* ! WF 0.95 WZ 1.13 GN 1.07 NL 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! A total of 24 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.04 GC 1.01 HH 1.00* ! HN 1.00* KK 1.01 KP 0.94 LA 0.98 ! MC 1.00* MK 1.03 NY 1.00* ON 1.00* ! OV 1.06 PT 0.92 SC 1.00* TS 0.85 ! WF 1.00* WZ 1.00* GN 1.00* NL 3.20 ! ! ! Correcting IF 4. ! A total of 96 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.98 GC 0.99 HH 1.07 ! HN 1.08 KK 0.86 KP 0.91 LA 0.94 ! MC 1.04 MK 0.79 NY 1.00* ON 1.10 ! OV 1.03 PT 0.90 SC 0.95 TS 1.00* ! WF 0.96 WZ 1.12 GN 1.07 NL 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* HH 0.00* ! HN 0.00* KK 0.00* KP 0.00* LA 0.00* ! MC 0.00* MK 0.00* NY 0.00* ON 0.00* ! OV 0.00* PT 0.00* SC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* GN 0.00* NL 0.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 1.02 GC 1.01 HH 1.00* ! HN 1.00* KK 1.01 KP 0.93 LA 1.00 ! MC 1.00* MK 0.97 NY 1.00* ON 1.00* ! OV 1.02 PT 0.95 SC 1.00* TS 0.88 ! WF 1.00* WZ 1.00* GN 1.00* NL 3.14 ! ! ! Fit before self-cal, rms=0.278679Jy sigma=0.001633 ! Fit after self-cal, rms=0.323003Jy sigma=0.001369 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6708 mas, bmaj=1.533 mas, bpa=-2.508 degrees ! Estimated noise=592.405 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2, 2.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0215553 Jy ! Component: 100 - total flux cleaned = 0.0254588 Jy ! Component: 150 - total flux cleaned = 0.027492 Jy ! Component: 200 - total flux cleaned = 0.02828 Jy ! Total flux subtracted in 200 components = 0.02828 Jy ! Clean residual min=-0.010924 max=0.013364 Jy/beam ! Clean residual mean=0.000970 rms=0.003345 Jy/beam ! Combined flux in latest and established models = 0.662909 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 40 components and 0.662909 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321123Jy sigma=0.001345 ! Fit after self-cal, rms=0.322049Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322049Jy sigma=0.001341 ! Fit after self-cal, rms=0.326420Jy sigma=0.001282 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6715 mas, bmaj=1.523 mas, bpa=-2.483 degrees ! Estimated noise=591.829 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0124908 Jy ! Component: 100 - total flux cleaned = 0.0150294 Jy ! Component: 150 - total flux cleaned = 0.0169069 Jy ! Component: 200 - total flux cleaned = 0.0174455 Jy ! Total flux subtracted in 200 components = 0.0174455 Jy ! Clean residual min=-0.006262 max=0.012632 Jy/beam ! Clean residual mean=0.000754 rms=0.002255 Jy/beam ! Combined flux in latest and established models = 0.680354 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 57 components and 0.680354 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325780Jy sigma=0.001271 ! Fit after self-cal, rms=0.325840Jy sigma=0.001269 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-4.2, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012337 Jy ! Component: 100 - total flux cleaned = 0.017085 Jy ! Component: 150 - total flux cleaned = 0.0181456 Jy ! Component: 200 - total flux cleaned = 0.0185934 Jy ! Total flux subtracted in 200 components = 0.0185934 Jy ! Clean residual min=-0.006645 max=0.007453 Jy/beam ! Clean residual mean=0.000546 rms=0.001845 Jy/beam ! Combined flux in latest and established models = 0.698948 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 78 components and 0.698948 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325349Jy sigma=0.001260 ! Fit after self-cal, rms=0.325255Jy sigma=0.001259 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.325255Jy sigma=0.001259 ! Fit after self-cal, rms=0.323121Jy sigma=0.001254 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6724 mas, bmaj=1.517 mas, bpa=-2.346 degrees ! Estimated noise=590.676 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00781533 Jy ! Component: 100 - total flux cleaned = 0.0110507 Jy ! Component: 150 - total flux cleaned = 0.0125699 Jy ! Component: 200 - total flux cleaned = 0.0136934 Jy ! Total flux subtracted in 200 components = 0.0136934 Jy ! Clean residual min=-0.005226 max=0.005528 Jy/beam ! Clean residual mean=0.000477 rms=0.001531 Jy/beam ! Combined flux in latest and established models = 0.712641 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 91 components and 0.712641 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322822Jy sigma=0.001249 ! Fit after self-cal, rms=0.322741Jy sigma=0.001248 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00261463 Jy ! Component: 100 - total flux cleaned = 0.00349377 Jy ! Component: 150 - total flux cleaned = 0.00371355 Jy ! Component: 200 - total flux cleaned = 0.00399721 Jy ! Total flux subtracted in 200 components = 0.00399721 Jy ! Clean residual min=-0.005370 max=0.005261 Jy/beam ! Clean residual mean=0.000438 rms=0.001474 Jy/beam ! Combined flux in latest and established models = 0.716638 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 100 components and 0.716638 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322643Jy sigma=0.001247 ! Fit after self-cal, rms=0.322625Jy sigma=0.001247 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.322625Jy sigma=0.001247 ! Fit after self-cal, rms=0.321729Jy sigma=0.001245 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=2.204 mas, bmaj=3.498 mas, bpa=-4.432 degrees ! Estimated noise=745.462 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00696262 Jy ! Component: 100 - total flux cleaned = 0.00784623 Jy ! Component: 150 - total flux cleaned = 0.00825321 Jy ! Component: 200 - total flux cleaned = 0.00858138 Jy ! Total flux subtracted in 200 components = 0.00858138 Jy ! Clean residual min=-0.005183 max=0.008167 Jy/beam ! Clean residual mean=0.000967 rms=0.002353 Jy/beam ! Combined flux in latest and established models = 0.72522 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 115 components and 0.72522 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321705Jy sigma=0.001244 ! Fit after self-cal, rms=0.321661Jy sigma=0.001244 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00159373 Jy ! Component: 100 - total flux cleaned = 0.00170332 Jy ! Component: 150 - total flux cleaned = 0.00161963 Jy ! Component: 200 - total flux cleaned = 0.00161915 Jy ! Total flux subtracted in 200 components = 0.00161915 Jy ! Clean residual min=-0.005229 max=0.008195 Jy/beam ! Clean residual mean=0.000928 rms=0.002315 Jy/beam ! Combined flux in latest and established models = 0.726839 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 118 components and 0.726839 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321678Jy sigma=0.001244 ! Fit after self-cal, rms=0.321686Jy sigma=0.001244 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6736 mas, bmaj=1.515 mas, bpa=-2.272 degrees ! Estimated noise=590.348 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6736 x 1.515 at -2.272 degrees (North through East) ! Clean map min=-0.0041976 max=0.54113 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.321686Jy sigma=0.001244 ! Fit after self-cal, rms=0.642880Jy sigma=0.001157 ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6749 mas, bmaj=1.498 mas, bpa=-2.092 degrees ! Estimated noise=589.326 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00205965 Jy ! Component: 100 - total flux cleaned = 0.00274493 Jy ! Component: 150 - total flux cleaned = 0.00317136 Jy ! Component: 200 - total flux cleaned = 0.00339732 Jy ! Total flux subtracted in 200 components = 0.00339732 Jy ! Clean residual min=-0.003856 max=0.004509 Jy/beam ! Clean residual mean=0.000358 rms=0.001156 Jy/beam ! Combined flux in latest and established models = 0.730236 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 127 components and 0.730236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.642864Jy sigma=0.001156 ! Fit after self-cal, rms=0.642898Jy sigma=0.001156 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000644899 Jy ! Component: 100 - total flux cleaned = 0.000782755 Jy ! Component: 150 - total flux cleaned = 0.000907185 Jy ! Component: 200 - total flux cleaned = 0.000965548 Jy ! Total flux subtracted in 200 components = 0.000965548 Jy ! Clean residual min=-0.003839 max=0.004419 Jy/beam ! Clean residual mean=0.000350 rms=0.001144 Jy/beam ! Combined flux in latest and established models = 0.731202 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 131 components and 0.731202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.642889Jy sigma=0.001156 ! Fit after self-cal, rms=0.642901Jy sigma=0.001156 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.642901Jy sigma=0.001156 ! Fit after self-cal, rms=0.904088Jy sigma=0.001155 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.5507 mas, bmaj=1.316 mas, bpa=-1.679 degrees ! Estimated noise=802.903 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.416246 Jy ! Component: 100 - total flux cleaned = 0.508781 Jy ! Component: 150 - total flux cleaned = 0.548649 Jy ! Component: 200 - total flux cleaned = 0.575292 Jy ! Total flux subtracted in 200 components = 0.575292 Jy ! Clean residual min=-0.008529 max=0.016054 Jy/beam ! Clean residual mean=0.000218 rms=0.002998 Jy/beam ! Combined flux in latest and established models = 0.575293 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 21 model components to the UV plane model. ! The established model now contains 21 components and 0.575293 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6752 mas, bmaj=1.497 mas, bpa=-2.082 degrees ! Estimated noise=589.42 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-0.6, 0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.039934 Jy ! Component: 100 - total flux cleaned = 0.0675113 Jy ! Component: 150 - total flux cleaned = 0.0876046 Jy ! Component: 200 - total flux cleaned = 0.10254 Jy ! Total flux subtracted in 200 components = 0.10254 Jy ! Clean residual min=-0.004633 max=0.008900 Jy/beam ! Clean residual mean=0.000923 rms=0.002298 Jy/beam ! Combined flux in latest and established models = 0.677833 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 69 components and 0.677833 Jy ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=2.198 mas, bmaj=3.493 mas, bpa=-4.285 degrees ! Estimated noise=745.087 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0216957 Jy ! Component: 100 - total flux cleaned = 0.0340185 Jy ! Component: 150 - total flux cleaned = 0.0415429 Jy ! Component: 200 - total flux cleaned = 0.0463425 Jy ! Total flux subtracted in 200 components = 0.0463425 Jy ! Clean residual min=-0.004163 max=0.007783 Jy/beam ! Clean residual mean=0.001093 rms=0.002005 Jy/beam ! Combined flux in latest and established models = 0.724175 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00312949 Jy ! Component: 100 - total flux cleaned = 0.00519743 Jy ! Component: 150 - total flux cleaned = 0.00657233 Jy ! Component: 200 - total flux cleaned = 0.00733455 Jy ! Total flux subtracted in 200 components = 0.00733455 Jy ! Clean residual min=-0.003911 max=0.007239 Jy/beam ! Clean residual mean=0.000894 rms=0.001925 Jy/beam ! Combined flux in latest and established models = 0.73151 Jy ! Adding 78 model components to the UV plane model. ! The established model now contains 129 components and 0.73151 Jy ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! Estimated beam: bmin=0.6752 mas, bmaj=1.497 mas, bpa=-2.082 degrees ! Estimated noise=589.42 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.001267 Jy ! Component: 100 - total flux cleaned = -0.00113991 Jy ! Component: 150 - total flux cleaned = -0.000943118 Jy ! Component: 200 - total flux cleaned = -0.00067598 Jy ! Total flux subtracted in 200 components = -0.00067598 Jy ! Clean residual min=-0.002943 max=0.004625 Jy/beam ! Clean residual mean=0.000368 rms=0.001142 Jy/beam ! Combined flux in latest and established models = 0.730834 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 139 components and 0.730834 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.904152Jy sigma=0.001156 ! Fit after self-cal, rms=0.904195Jy sigma=0.001155 wmodel J0501-0159_X_1999_12_20_pus_map.mod ! Writing 139 model components to file: J0501-0159_X_1999_12_20_pus_map.mod wobs J0501-0159_X_1999_12_20_pus_uvs.fits ! Writing UV FITS file: J0501-0159_X_1999_12_20_pus_uvs.fits wwins J0501-0159_X_1999_12_20_pus_map.win ! wwins: Wrote 4 windows to J0501-0159_X_1999_12_20_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! clean: niter=1024 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00210544 Jy ! Component: 100 - total flux cleaned = 0.00400529 Jy ! Component: 150 - total flux cleaned = 0.00574677 Jy ! Component: 200 - total flux cleaned = 0.00735829 Jy ! Component: 250 - total flux cleaned = 0.00887479 Jy ! Component: 300 - total flux cleaned = 0.0103233 Jy ! Component: 350 - total flux cleaned = 0.0116546 Jy ! Component: 400 - total flux cleaned = 0.0127202 Jy ! Component: 450 - total flux cleaned = 0.0135967 Jy ! Component: 500 - total flux cleaned = 0.0143968 Jy ! Component: 550 - total flux cleaned = 0.0152228 Jy ! Component: 600 - total flux cleaned = 0.0159322 Jy ! Component: 650 - total flux cleaned = 0.016487 Jy ! Component: 700 - total flux cleaned = 0.0169406 Jy ! Component: 750 - total flux cleaned = 0.0174307 Jy ! Component: 800 - total flux cleaned = 0.0178247 Jy ! Component: 850 - total flux cleaned = 0.0182124 Jy ! Component: 900 - total flux cleaned = 0.0184674 Jy ! Component: 950 - total flux cleaned = 0.0189285 Jy ! Component: 1000 - total flux cleaned = 0.0193001 Jy ! Total flux subtracted in 1024 components = 0.0193411 Jy ! Clean residual min=-0.002196 max=0.002663 Jy/beam ! Clean residual mean=0.000159 rms=0.000820 Jy/beam ! Combined flux in latest and established models = 0.750175 Jy keep ! Adding 77 model components to the UV plane model. ! The established model now contains 216 components and 0.750175 Jy ![Exited script file: muppet] wmap "J0501-0159_X_1999_12_20_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6752 x 1.497 at -2.082 degrees (North through East) ! Clean map min=-0.002567 max=0.54134 Jy/beam ! Writing clean map to FITS file: J0501-0159_X_1999_12_20_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.54134 invert ! Inverting map ! Your choice of large map pixels excluded 5.75% of the data. ! The x-axis pixel size should ideally be below 0.1612 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00082031 device "J0501-0159_X_1999_12_20_pus\_map.eps/VPS" ! Attempting to open device: 'J0501-0159_X_1999_12_20_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.4546 0.4546 0.9092 1.8184 3.6368 7.2736 14.5472 29.0944 58.1888 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0024 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.541 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6752 x 1.497 at -2.082 degrees (North through East) ! Clean map min=-0.002567 max=0.54134 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0501-0159_X_1999_12_20_pus\_map.gif/vgif" ! Attempting to open device: 'J0501-0159_X_1999_12_20_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0501-0159_X_1999_12_20_pus_uvs.log closed on Fri Dec 14 17:12:46 2007